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Finding the Fourth Proportional to 171,030.30, 256,573.53 and 52,701.66

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Solution

The fourth proportional to 171,030.30, 256,573.53 and 52,701.66 is: 79,061.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,030.30 : 256,573.53 = 52,701.66 : x
  2. Step 2: Convert to fraction form
    171,030.30/256,573.53 = 52,701.66/x
  3. Step 3: Cross multiply
    171,030.30x = 256,573.53 × 52,701.66
  4. Step 4: Simplify right side
    171,030.30x = 13,521,850,943.06
  5. Step 5: Solve for x
    x = 13,521,850,943.06/171,030.30
  6. Step 6: Final answer
    x = 79,061.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.